﻿////#define _CRT_SECURE_NO_WARNINGS
////#include<string>
////#include<iostream>
////#include<algorithm>
////using namespace std;
////string sub(string& a, string& b)
////{
////	char falg = '+';
////	if (a.size() < b.size() ||(a.size()==b.size()&&a<b))//b>a
////	{
////		a.swap(b);
////		falg = '-';
////	}
////	reverse(a.begin(), a.end());
////	reverse(b.begin(), b.end());
////	int az = a.size(); int bz = b.size();
////	int count = 0;//¼λ
////	string ret;
////	for (int i = 0; i < az; i++)
////	{
////		int tem1 = a[i] - '0'-count;
////		int tem2 = i < bz ? b[i] - '0' : 0;
////		if (tem1 >= tem2)
////		{
////			ret.push_back(tem1 - tem2  + '0');
////			count = 0;
////		}
////		else
////		{
////			ret.push_back(tem1 - tem2 + 10+'0');
////			count = 1;
////		}
////	}
////	while (ret.size() > 1 && ret[ret.size() - 1] == '0') ret.pop_back();
////	if (falg == '-')
////	{
////		ret.push_back(falg);
////	}
////	reverse(ret.begin(), ret.end());
////	return ret;
////	
////}
////int main()
////{
////	string a, b; cin >> a >> b;
////	cout << sub(a, b);
////}
//
//
//
//#include<bits/stdc++.h>
//using namespace std;
//void div(string& a, int b)
//{
//    string ret;
//    int az = a.size();
//    int count = 0;
//    for (int i = 0; i < az; i++)
//    {
//        int tem1 = a[i] - '0' + 10 * count;
//        int tem2 = b;
//        count = tem1 % tem2;
//        ret.push_back(tem1 / tem2 + '0');
//    }
//    reverse(ret.begin(), ret.end());
//    while (ret.size() > 1 && ret[ret.size() - 1] == '0') ret.pop_back();
//    reverse(ret.begin(), ret.end());
//    cout << ret << endl << count;
//}
//
//int main()
//{
//    string a; int b;
//    cin >> a >> b;
//    div(a, b);
//    return 0;
//}